namespace my_ComFun
{
	template<class T>
	class less
	{
	public:
		bool operator()(const T& a, const T& b)
		{
			return a < b;
		}
	};
	
	template<class T>
	class greater
	{
	public:
		bool operator()(const T& a, const T& b)
		{
			return a > b;
		}
	};
}
